Swiss cannabis law: the rules in force
The Narcotics Act is the starting point. Medical use and authorised research have separate rules.
Read moreWhat do cantons decide about cannabis?
The legal basis is federal. Enforcement and the location of research differ locally.
Context
The FOPH reports differences in applying fixed penalties. A study site establishes neither cantonal legalisation nor a particular police practice.
What to check
Ask the cantonal authority about local enforcement. For trial participation, use the published location and residency criteria of the specific project.